Set *_COOKIE_PATH according to BASE_PATH

As discussed in #10639, all three `COOKIE_PATH`s should be set accordingly with the netbox-`BASE_PATH` to improve coexistance with other Django-projects probably hosted on the same Host

netbox/netbox/settings.py

@@ -85,6 +85,7 @@ CORS_ORIGIN_ALLOW_ALL = getattr(configuration, 'CORS_ORIGIN_ALLOW_ALL', False)
 CORS_ORIGIN_REGEX_WHITELIST = getattr(configuration, 'CORS_ORIGIN_REGEX_WHITELIST', [])
 CORS_ORIGIN_WHITELIST = getattr(configuration, 'CORS_ORIGIN_WHITELIST', [])
 CSRF_COOKIE_NAME = getattr(configuration, 'CSRF_COOKIE_NAME', 'csrftoken')
+CSRF_COOKIE_PATH = BASE_PATH or '/'
 CSRF_TRUSTED_ORIGINS = getattr(configuration, 'CSRF_TRUSTED_ORIGINS', [])
 DATE_FORMAT = getattr(configuration, 'DATE_FORMAT', 'N j, Y')
 DATETIME_FORMAT = getattr(configuration, 'DATETIME_FORMAT', 'N j, Y g:i a')
@@ -129,6 +130,8 @@ SENTRY_TRACES_SAMPLE_RATE = getattr(configuration, 'SENTRY_TRACES_SAMPLE_RATE',
 SENTRY_TAGS = getattr(configuration, 'SENTRY_TAGS', {})
 SESSION_FILE_PATH = getattr(configuration, 'SESSION_FILE_PATH', None)
 SESSION_COOKIE_NAME = getattr(configuration, 'SESSION_COOKIE_NAME', 'sessionid')
+SESSION_COOKIE_PATH = BASE_PATH or '/'
+LANGUAGE_COOKIE_PATH = BASE_PATH or '/'
 SHORT_DATE_FORMAT = getattr(configuration, 'SHORT_DATE_FORMAT', 'Y-m-d')
 SHORT_DATETIME_FORMAT = getattr(configuration, 'SHORT_DATETIME_FORMAT', 'Y-m-d H:i')
 SHORT_TIME_FORMAT = getattr(configuration, 'SHORT_TIME_FORMAT', 'H:i:s')